package day20171122.test07;

public class Test {
    public static void main(String[] args) {
        Student student1 = new Student("linc");
        Student student2 = new Student("linc", "sctu college");
        student2.upgrade().print();

        ClassLeader leader = new ClassLeader("life", "linc", "sichuan");
        leader.print();
    }
}
